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1. What kind of error in Meiosis could lead to two copies of a single chromosome in a sperm or egg rather than the expected one?
2. Union of a sperm with two copies of chromosome 16 with an egg with the expected one copy will yield a zygote with three copies of chromosome 16. Why is the presence of three copies of chromosome 16 likely to be lethal?
3. If a horse and donkey are mated, the resulting animal (a mule) is diploid but sterile. Why is it sterile?
Zebrafish are increased in fish tanks with one family each tank. The mutation spadetail is a recessive lethal. A stock tank for spadetail was made by crossing two carriers.
In what ways are species more "fluid" than even 20th century biologists might have believed? To what extent was Darwin's explanation of species as "convenient constructions" accurate? Are species real.
A body was discovered and diagnosed as having died due to oxygen deprivation. Explain why the toxicology tests included a test for cyanide poisoning.
A rabbit taken from a meadow near sea level and moved to a meadow high on a mountainside would have some trouble breathing. Why give an appropriate reason.
Each olfactory receptor gene is involved in detecting specific odors. However, humans are losing OR genes, while mice and other mammals have ~1500 such genes, humans have ~900
Discuss the purpose of the immune system is to recognize foreign bodies and respond with the production of immune cells and proteins.
How does divergence effect Fst values between 2 populations? AND List 3 reasons that the Ne will be smaller than N. In each case, explain HOW this scenario results in a smaller Ne. Detailed answers get the points.
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299 K. If I raise the temperature to 350 K and lower the pressure to 1140 mm Hg, what is the new volume of the gas.
what type of bio compatible material is usually inserted into the brain as a device and what is usually the size of it ?
In the case of a locus with two alleles, P is the frequency of AA, H is the frequency of Aa, and Q is the frequency of aa. As with gene frequencies, genotype frequencies must sum to 1.
A mainland population of 10,000 ground beetles have the neutral alleles A1 and A2 with frequencies of A1 = 0.4 and A2 = 0.6. 16 male and 20 female beetles found a new population on Russell Island.
A reactio mixture containing 20 mM O-acetly serine, fifty mM NaCl, 50 mM HEPES buffer (pH 7.6), and O-acetyl serine is incubated at 37 C until the O-acetyl serine is completely hydrolyzed.
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